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Sinai, SD

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Population
102
U.S. Census Population Estimates Program · 2025
Elevation
1,785 ft
USGS GNIS community points and 3DEP elevation · GNIS 2026-07-06; USGS 3DEP sampled 2026-07-23
Median Home Value
$89,300
U.S. Census American Community Survey 5-Year · 2024
Median Income
$56,875
U.S. Census American Community Survey 5-Year · 2024
General Quality
Overall rating out of 100

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OverallBest places in South DakotaPopulation rankingHighest population places in South DakotaNearest larger communityBrookings, South Dakota13 miles away · 25,355 residents.

About Sinai

Sinai is a quiet, small-town community on the Brookings County prairie, ideal for anyone looking for wide-open spaces and a relaxed pace. While day-to-day life is peaceful and unhurried, everyday essentials are always within easy reach. Local kids attend classes in the Sioux Valley School District over in Volga, and the city of Brookings is only about twenty minutes away for work, healthcare, dining, and shopping. It offers simple rural living with quick access to the conveniences of larger neighboring towns.

Top Rating Signals

Highest current ratings for this town.

Lower FEMA County Hurricane Risk IndexA+100.0ratingLow State Income TaxA+100.0ratingRural FitA+99.0rating

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